Ratchet head is engraved with Nm and lb – in scales on the barrel of the wrench. The micrometer type sleeve allows accurate preset torque values to be set. When torque is reached the wrench produces an Audible click and a release of tension. Marked range: 30 – 210Nm/22.1 – 154.9lb – ft. Overall length 475mm. Clockwise right – hand thread torque application only. Supplied in blow mould storage case.